1197674537 has 2 divisors, whose sum is σ = 1197674538. Its totient is φ = 1197674536.

The previous prime is 1197674521. The next prime is 1197674579. The reversal of 1197674537 is 7354767911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094021776 + 103652761 = 33076^2 + 10181^2 .

It is a cyclic number.

It is not a de Polignac number, because 1197674537 - 2⁴ = 1197674521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1197674587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598837268 + 598837269.

It is an arithmetic number, because the mean of its divisors is an integer number (598837269).

Almost surely, 2^1197674537 is an apocalyptic number.

It is an amenable number.

1197674537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197674537 is an equidigital number, since it uses as much as digits as its factorization.

1197674537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 50.

The square root of 1197674537 is about 34607.4347070106. The cubic root of 1197674537 is about 1061.9716882968.

The spelling of 1197674537 in words is "one billion, one hundred ninety-seven million, six hundred seventy-four thousand, five hundred thirty-seven".